netdev - RE: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy)

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Message-ID: <48F7D4389F30BA4383F214EE802BA47101706553F8@EXS10.iai.co.il>
Date:   Fri, 9 Mar 2018 08:00:40 +0000
From:   Alayev Michael <malayev@....co.il>
To:     'Andrew Lunn' <andrew@...n.ch>
CC:     "'netdev@...r.kernel.org'" <netdev@...r.kernel.org>,
        Dror Alon <adror@....co.il>, Efter Yoram <yefter@....co.il>
Subject: RE: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy)

Hi Andrew,

You have advised me to change the compatibility to "marvell,mv88e6190".
The problem is that my linux version is Xilinx 4.4.0 (2016.2) - it contains mv88e6xxx driver files that do not support 6190 (though they do support 6085) and the driver has slightly different file tree.
The closest Xilinx linux version that support this driver is 4.10.

The thing is, I don't want to upgrade my linux version, just patch this driver module.
Is it possible to do it in a simple way (windows like :) )?

Regards,
Michael

-----Original Message-----
From: Andrew Lunn [mailto:andrew@...n.ch] 
Sent: Monday, March 05, 2018 4:15 PM
To: Alayev Michael
Cc: 'netdev@...r.kernel.org'; Dror Alon; Efter Yoram
Subject: Re: dsa with 2 rgmii channels (1st is 2 switches & 2nd is phy)

On Mon, Mar 05, 2018 at 01:12:43PM +0000, Alayev Michael wrote:
> Hello Andrew,
> 
> I've noticed that my device model is mv88e6390x and not mv88e6352 as I wrote before.
> What is the compatibility value for it?

Hi Michael

Documentation/devicetree/binding/net/dsa/marvell.txt says:

Required properties:
- compatible            : Should be one of "marvell,mv88e6085" or
                          "marvell,mv88e6190"

It could be better documented, but in this case, marvell,mv88e6190 is what you want.

     Andrew

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